Event: NSDCA Division 2

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Opponent	Rating	Result
Martin F Frisher	1787	1 - 0
George Bulbeck	1599	0 - 1
Neville Layhe	1656	1 - 0
Caroline L Mountford	1603	1 - 0
Stanislaw Wojtas	1796	0 - 1
Julian N Hawthorne	1682	0 - 1
Sandra G Blackburn	1567	½ - ½
John Hicks	1589	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1660 = (13279 + 400 * (3 - 3)) / 8)